Process for producing blue microcapsules

US6506368B2 · kind B2 · utility

Assignee

• Haarmann & Reimber GmbH · DE

Inventors

• Rita Lages · Bodenwerder, DE
• Frank Aickele · Holzminden, DE
• Hubert Loges · Ankum, DE
• Arnold Machinek · Holzminden, DE

Key dates

• Filing date: Feb 4, 2002
• Grant date: Jan 14, 2003
• Expiry date: Feb 4, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/43
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to a process for producing uniformly colored blue microcapsules, using oil-soluble dyes.